I'm no expert but this looks like a hacked iPod Touch on display at my local Bestbuy. Sorry for the poor quality of the shot (my camera refuses to focus on that screen) but you can make out Installer and Sketches buttons. So did someone return this jailbreaked or is the staff having some fun?
The thing I'm worried about is that people are going to demo this and like the Sketches application, buy one and then they'll be disappointed when they get home and discover Sketches in not included. This demo unit is